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Posted to dev@hive.apache.org by "mahesh kumar behera (JIRA)" <ji...@apache.org> on 2018/04/22 15:43:00 UTC

[jira] [Created] (HIVE-19267) Create/Replicate ACID Write event

mahesh kumar behera created HIVE-19267:
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             Summary: Create/Replicate ACID Write event
                 Key: HIVE-19267
                 URL: https://issues.apache.org/jira/browse/HIVE-19267
             Project: Hive
          Issue Type: Sub-task
          Components: repl, Transactions
    Affects Versions: 3.0.0
            Reporter: mahesh kumar behera
            Assignee: mahesh kumar behera
             Fix For: 3.0.0


*EVENT_ALLOCATE_WRITE_ID*
*Source Warehouse:*
 * Create new event type EVENT_ALLOCATE_WRITE_ID with related message format etc.

 * Capture this event when allocate a table write ID from the sequence table by ACID operation.

 * Repl dump should read this event from EventNotificationTable and dump the message.

*Target Warehouse:*
 * Repl load should read the event from the dump and get the message.

 * Validate if source txn ID from the event is there in the source-target txn ID map. If not there, just noop the event.

 * If valid, then Allocate table write ID from sequence table

*Extend listener notify event API to add two new parameter , dbconn and sqlgenerator to add the events to notification_log table within the same transaction* 



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